**Opik Dashboard**:

- Added duration chart to the project dashboard
- Prompt metadata can now be set and viewed in the UI, this can be used to store any additional information about the prompt
- Playground prompts and settings are now cached when you navigate away from the page

**SDK**:

- Introduced a new `OPIK_TRACK_DISABLE` environment variable to disable the tracking of traces and spans
- We now log usage information for traces logged using the LlamaIndex integration
